Level 56 on 100 Doors Aliens Space Solution
Press each circle in the correct order
You can see the instructions with the number at the top of the door
Press the circle as shown below

100 Doors Aliens Space Level 56 57 58 59 60"

Level 57 on 100 Doors Aliens Space Walkthrough
Calculate every green stripes on the train cars, then subtract the number on the first train to the second train
6486 - 3162 = 3324
Press the circle button to the right of the door, then press the number 3324

Level 58 on 100 Doors Aliens Space Solution
At this level, you just shake the phone 2 times to drop all the bullets

100 Doors Aliens Space Level 56 57 58 59 60"

Level 59 on 100 Doors Aliens Walkthrough
See the instructions at the top of the wall with the sequence of colors and numbers in hexagons
Press the colors and numbers in drag brace in the following order:
Left: Red, Blue, 2, Green 5, Red
Right: Blue, 7 Green, 10, Red, Blue